# parameters.variable.db.py
def connect(**options):
    conn_params = {
        "host": options.get("host", "127.0.0.1"),
        "port": options.get("port", 5432),
        "user": options.get("user", ""),
        "pwd": options.get("pwd", ""),
    }
    print(conn_params)
    # we then connect to the db (commented out)
    # db.connect(**conn_params)


connect()
connect(host="127.0.0.42", port=5433)
connect(port=5431, user="fab", pwd="gandalf")
